Someone at "Castle" may have been watching far too many films about dysfunctional teenagers. That at least would explain "Smells Like Teen Spirit": A murder mystery in which "Carrie" mixes with "The Bling Ring" and ends up in a John Hughes movie.Not that there's anything wrong with any of this. If "Castle" has to steal from a particular movie genre, this is definitely the one to choose. Spooky, intriguing and ultimately sweet, "Smells Like Teen Spirit" is everything you would want a "Castle" episode to be.The 'Carrie' partA pretty but mean girl, Madison Beaumont, gets murdered in a rather dramatic fashion. While her two besties watch on a video chat, Madison is seemingly attacked by a vengeful poltergeist. When the cops arrive at the murder scene, Madison's blood is splashed on the ceiling -- just like in the video.Who or what could have done this? Suspicion quickly falls on Jordan Gibbs, a social outcast...